Originally Posted by
Al1943
As a general rule don't go over 5 nm (44 inch-pounds) on carbon parts. Dont's go by the torque specs shown on stems when tightening carbon parts. And don't ask me why I say that.
Ouch, my sympathy.
I believe the torque specs engraved on most stems are for alluminum or steel steerers and aluminum handlebars and are excessive for carbon parts. The specs engraved on my stems are 8 nm and that is excessive for carbon anything.